Mold and method of treating same



"En on certain mobile, piillllfill "will niol I lie a; nil the casing will s times lo and cause o1 mold of the cesling. To overcome this ii has been custoinew lo line 01" cool; the molds with a composition of eiepliiie, clay, or a, lei similar inc. ml. By inveni-ion no I loetween the casting 11g the mold and e pre eniccl iiy surfacing the 2 citing point Ellis me two into concoct we .ioolcing biomass.

*"lle mold has been heated Etc the it zinc or other snim o-li; metal 4 'on poin; lower than oi like of the mold. is melted by contact w ll; the Elm; Lilli-" or in liner manner, ELDCl (l-EPGSllfll t.

on. tnen rubbed filiorougoly in'yo is ism-face pores of the "27, a z w ll [deemed co, illedco germ Silo. ecc ece.

by a, brush having mciallic ori izles so mold surface is ilioi'onglzly and surfaced with like metal.

is found preclice that a mold ladle, cmciole, or other? metallic article treated in 'li manner will elf-actually prevenc the sucking 0'5 molten metal ineielo and that having once been trealvcl the article may be fepeaierlly filled Wllill molten metal Without with the metal having a low lnsion point.

While I have clcsci'iloed a particular Oil of applying! a metal having a low 53 fflliii bo fine molding surfaces of ne mold, will be understood that ii may applied other Ways wiihous departing mm 1e spirit of line claims.

1% claim:

i. The method of treating the surface of a metal efiicle to par-event adherence of molineials therein, Whichconsists in rubbing inco the sm'iece mole-on metal having a melting; point lower than that oi' the motel of the article.

2.The method of treating the surface of a metal article to prevent adherence of molten metals thereto, which coneisls in rubbing inio the surface of the aniicle by the i use of a brush having me bel bristles, a molmeizil having a melting point less than that of melal of lhe article.

3. The mellioci of treating the surface of a metal article to pi'evenl adherence of molmetels thereto, which consists in rubmolixen zinc into the surface of the 4.. The method of treating molds to prepil'cing of ine mold and the casting, wli cli consists; in lie-c ting elic mold and While nibliiing zincifercus material over the face n inlc the pores of the casting surface of "e-lie tenolcLlhe mold being heated.

The method of tieting metal molds to prevent slicking of molten metal to be cast therein, which consists in applying a metal to the heated molding surface of a mold, the mold being heated to a temperature to melt the applied metal, and then thoroughly rubbing the applied metal into the mold surface.

The niciliml of treating metal molds to prevent sticking of molten metal thereto, 105 which consisls in heating the mold and while hot robbing zinc: over the face into the pores of, tho custing surface of the mold. thomohl being heated to a zinc moltim; temperature.

4. The method of preparing z. ferrous mold -for forming ferrous castings, which consists in rubbing zinciferous; material into the surface of the mold 8. The method of preparingo ferrous mold for forming ferrous castings, which.

' tho mold.

consists in rubbing zinc info the surface of 9. The method of preparing'a' ferrous mold for forming ferrous castings, which consists in rubbing molten zinc into the surface of the mold. v

In testimony whereof, I have hereunto signed my name to thisspeoifi'catioufl HUBERT MYERS. 

